Basically to eat. More specifically to eat during some form of military training.
"The weather has put us on standby, so if you're scheduled to fly, don't go down to the DFAC and be chompin' a biscut, be ready to fly."
by ltdanusaf June 30, 2009
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Phrase meaning "I'll have the fish"
Flight Attendant: What can I get for you, sir?

Man: I can dig some grease while chompin' on some buns and draggin' through the garden.

Flight Attendant: I'm sorry, we're all out of fish...
by jDogg April 18, 2005
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When you bit your cheek hard, which leads to it swelling up. Then, because it swells, you bite it more and it swells more and takes weeks to go away.
Dude, I was cheek chompin all last night.

Ugh, I just bit my cheek. Now I'm gonna be cheek chompin all day!
by effing-awesome May 18, 2010
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The act of getting chomped harder than hard, for when the word chomped simply isn't enough.
Bro, I was petting that Dog and my hand got chompinated!
by Lion_4K February 11, 2020
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When you bite down on a speaker at a rave while rolling (on ecstasy)
He was chompin the whole night bro.
by juaninja January 2, 2012
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